CN112177863A - Vibration monitoring system, wind power generation system and wind power plant - Google Patents
Vibration monitoring system, wind power generation system and wind power plant Download PDFInfo
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- CN112177863A CN112177863A CN202010927889.3A CN202010927889A CN112177863A CN 112177863 A CN112177863 A CN 112177863A CN 202010927889 A CN202010927889 A CN 202010927889A CN 112177863 A CN112177863 A CN 112177863A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D17/00—Monitoring or testing of wind motors, e.g. diagnostics
Abstract
The embodiment of the invention provides a vibration monitoring system for a wind generating set, a wind power generation system and a wind power plant. The vibration monitoring system comprises a main controller, a vibration sensor, a collector and a server which are positioned on the wind generating set. The collector is connected with the vibration sensor and is in communication connection with the main controller, and the collector acquires vibration data of the wind generating set through the vibration sensor and acquires main control power data of the wind generating set from the main controller. The server comprises a CI generation module and an HI generation module. And the CI generation module is in communication connection with the collector and generates a state index with a power tag of the wind generating set based on the vibration data and the master control power data of the wind generating set. The HI generation module is in communication connection with the main controller and generates health indexes of the wind generating set based on the state indexes of the wind generating set with the power labels. And the main controller correspondingly controls the wind generating set based on the health index of the wind generating set.
Description
Technical Field
The embodiment of the invention relates to the technical field of wind power generation, in particular to a vibration monitoring system for a wind generating set, a wind power generation system and a wind power plant.
Background
With the gradual depletion of energy sources such as coal and petroleum, human beings increasingly pay more attention to the utilization of renewable energy sources. Wind energy is increasingly gaining attention as a clean renewable energy source in all countries of the world. With the continuous development of wind power technology, the application of wind generating sets in power systems is increasing day by day. Wind generating sets are large-scale devices that convert wind energy into electrical energy, and are usually installed in areas with abundant wind energy resources. In order to find out potential faults of the wind generating set in advance and ensure normal operation of the wind generating set, the state of the wind generating set, particularly the vibration condition, needs to be monitored.
Currently, the vibration state of a wind turbine generator System is generally monitored by a Condition Monitoring System (CMS) of the wind turbine generator System. However, the existing CMS vibration system is a single individual and is generally provided by a supplier, the CMS vibration system is not strongly coupled to the wind turbine generator set, some design attributes, operation data and the like of the wind turbine generator set cannot be fed back to the existing independent CMS vibration system, and the problem of low accuracy exists, so that the misjudgment rate is increased.
Disclosure of Invention
The embodiment of the invention aims to provide a vibration monitoring system for a wind generating set, a wind generating system and a wind power plant, which can more effectively monitor the wind generating set and improve the accurate control of the wind generating set.
One aspect of an embodiment of the present invention provides a vibration monitoring system for a wind turbine generator set. The vibration monitoring system comprises a main controller positioned on the wind generating set, a vibration sensor arranged on the wind generating set, a collector positioned on the wind generating set and a server. The collector is connected with the vibration sensor and is in communication connection with the main controller, and the collector acquires vibration data of the wind generating set through the vibration sensor and acquires main control power data of the wind generating set from the main controller. The server comprises a state index generation module and a health index generation module. The state index generation module is in communication connection with the collector and generates a state index with a power tag of the wind generating set based on vibration data and main control power data of the wind generating set. The health index generation module is in communication connection with the main controller, and generates the health index of the wind generating set based on the state index of the wind generating set with the power label. Wherein the main controller controls the wind generating set correspondingly based on the health index of the wind generating set.
Another aspect of an embodiment of the present invention also provides a wind power generation system. The wind power generation system comprises a wind generating set and the vibration monitoring system for the wind generating set.
Still another aspect of an embodiment of the present invention provides a wind farm. The wind power plant comprises a plurality of wind generating sets and a vibration monitoring system for the wind generating sets. The vibration monitoring system comprises a main controller positioned on each wind generating set, a vibration sensor arranged on each wind generating set, a collector positioned on each wind generating set and a server. The collector on each wind generating set is respectively connected with the vibration sensor and is in communication connection with the main controller, and the collector acquires the vibration data of each wind generating set through the vibration sensor and acquires the main control power data of each wind generating set from the main controller. The server comprises a state index generation module and a health index generation module. The state index generating module is in communication connection with the collector of each wind generating set, and is used for generating the state indexes with the power tags of each wind generating set based on the vibration data and the master control power data of each wind generating set. The health index generation module is in communication connection with a main controller of each wind generating set, and generates health indexes of each wind generating set based on state indexes of each wind generating set with the power tags. And the main controller of each wind generating set correspondingly controls each wind generating set based on the health index of each wind generating set.
According to the vibration monitoring system, the wind power generation system and the wind power plant for the wind power generator set, which are disclosed by the embodiment of the invention, the more accurate health index of the wind power generator set is generated through the HI generation module, and a higher-dimensionality alarm strategy is created, so that the wind power generator set can be more effectively monitored, the accuracy of judging the running condition of the wind power generator set is improved, and the misjudgment rate of the wind power generator set is reduced.
Drawings
FIG. 1 is a schematic view of a wind turbine generator system;
FIG. 2 is a schematic block diagram of a vibration monitoring system for a wind turbine generator set according to an embodiment of the present invention;
FIG. 3 is a schematic view of a wind turbine generator system in communication with a server according to an embodiment of the present invention;
FIG. 4 is a schematic diagram of a wind farm according to one embodiment of the present invention.
Detailed Description
Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present invention. Rather, they are merely examples of apparatus consistent with certain aspects of the invention, as detailed in the appended claims.
The terminology used in the embodiments of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. Unless otherwise defined, technical or scientific terms used in the embodiments of the present invention should have the same meaning as commonly understood by one of ordinary skill in the art to which the present invention belongs. The use of "first," "second," and similar terms in the description and in the claims does not indicate any order, quantity, or importance, but rather is used to distinguish one element from another. Also, the use of the terms "a" or "an" and the like do not denote a limitation of quantity, but rather denote the presence of at least one. "plurality" or "a number" means two or more. Unless otherwise indicated, "front", "rear", "lower" and/or "upper" and the like are for convenience of description and are not limited to one position or one spatial orientation. The word "comprising" or "comprises", and the like, means that the element or item listed as preceding "comprising" or "includes" covers the element or item listed as following "comprising" or "includes" and its equivalents, and does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. As used in this specification and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items.
Fig. 1 discloses a perspective view of a wind park 100. As shown in fig. 1, a wind park 100 comprises a plurality of blades 101, a nacelle 102, a hub 103 and a tower 104. A tower 104 extends upwardly from a foundation (not shown), a nacelle 102 is mounted on top of the tower 104, a hub 103 is mounted at one end of the nacelle 102, and a plurality of blades 101 are mounted on the hub 103.
Fig. 2 discloses a schematic block diagram of a vibration monitoring system 2 for a wind park 100 according to an embodiment of the invention. As shown in fig. 2, the vibration monitoring system 2 for the wind turbine generator system 100 according to one embodiment of the present invention includes a main controller 21 located on the wind turbine generator system 100, a vibration sensor 22 installed on the wind turbine generator system 100, a collector 23 located on the wind turbine generator system 100, and a server 24 communicating with the wind turbine generator system 100. The vibration sensor 22 installed on the wind turbine generator system 100 and the collector 23 located on the wind turbine generator system 100 are CMS hardware 26 (as shown in fig. 3). In one embodiment, the vibration sensor 22 may include an acceleration sensor 221 and a rotational speed sensor 222. The collector 23 is connected with the vibration sensor 22 and is in communication connection with the main controller 21. For example, the collector 23 and the main controller 21 may interact data by establishing a ModbusTCP communication connection. However, the communication connection between the collector 23 and the main controller 21 according to the embodiment of the present invention is not limited to the ModbusTCP communication protocol, and other communication protocols, such as the opc communication protocol, may also be used. The collector 23 may obtain vibration data of the wind turbine generator system 100 through the vibration sensor 22, and may obtain main control power data of the wind turbine generator system 100 from the main controller 21. For example, the collector 23 may collect vibration data and master control power data of the wind park 100 every predetermined time, for example every 1 s.
The server 24 includes a Condition Index (CI) generation module 241 and a Health Index (HI) generation module 242. The CI generating module 241 may be communicatively connected to the collector 23, and the CI generating module 241 may generate a status indicator of the wind turbine generator set 100 with a power tag based on the vibration data of the wind turbine generator set 100 and the master control power data.
In some embodiments, the CI generation module 241 in the server 24 generating the status indicator with the power tag of the wind park 100 based on the vibration data of the wind park 100 and the master power data may include, for example: the CI generation module 241 may generate status indicators of the wind park 100 based on vibration data of the wind park 100 and may group the status indicators of the wind park 100 based on the power segment in which the master power data is located.
Because the wind power of the external environment may change in real time during the actual operation period of the wind turbine generator system 100, the operation state of the wind turbine generator system 100 may also be different, for example, at a medium and high wind speed, the wind turbine generator system 100 operates in a full-power state, and at this time, the vibration energy of the wind turbine generator system 100 is large; at low wind speeds, the wind turbine generator system 100 is operated in a non-full-power mode, and at this time, the vibration energy of the wind turbine generator system 100 is small. Therefore, the generated status indicators of the wind turbine generator systems 100 are further grouped by dividing the master control function data collected in each time period into power segments, for example, the status indicators of the wind turbine generator systems 100 with high power can be grouped into one group, and the status indicators of the wind turbine generator systems 100 with low power can be grouped into one group, so that the operation data of the wind turbine generator systems 100 and the status indicators of the wind turbine generator systems 100 can be well combined, and the strong coupling of the CMS hardware 26 and the wind turbine generator systems 100 is increased.
In some embodiments, the status indicator of the wind turbine generator system 100 is various, and may include, for example and without limitation, at least one of vibration time domain data, vibration frequency domain data, vibration envelope spectrum data, and vibration characteristic values of the wind turbine generator system 100, wherein the vibration characteristic values are at least one of characteristic parameters of peak value, kurtosis, root mean square, and the like, into which the collected vibration data is converted in time domain. Wherein, the peak value is a characteristic parameter for detecting the impact vibration; root mean square is a characteristic parameter of surface pitting. The health indicator of the wind park 100 may for example include, but is not limited to, at least one of a health indicator of a bearing and a health indicator of a gearbox.
The HI generating module 242 in the server 24 is communicatively connected to the main controller 21, for example, the HI generating module 242 may be communicatively connected to the main controller 21 through ModbusTCP communication protocol or other communication protocols, for example, opc communication protocol. The HI generation module 242 may generate a health indicator for the wind park 100 based on the status indicator of the wind park 100 with the power tag. In one embodiment, the HI generation module 242 may invoke the power tagged status indicator for the wind turbine generator set 100 in the CI generation module 241 via Python. The Python custom algorithm is pre-stored in the HI generation module 242, and the HI generation module 242 may generate the health index of the wind turbine generator set 100 through the pre-stored Python custom algorithm based on the status index of the wind turbine generator set 100 with the power tag. The HI generation module 242 according to the embodiment of the present invention may generate a more accurate health indicator of the wind turbine generator system 100 through the pre-stored Python customized algorithm, so as to create an alarm indicator at a higher latitude, improve the accuracy of judging the operation status of the wind turbine generator system 100, and reduce the false judgment rate of the wind turbine generator system 100. In one embodiment, the health indicator of wind turbine generator set 100 is generated from a plurality of status indicators by HI generation module 242, and HI generation module 242 processes the status indicators into one health indicator. In order to improve the accuracy, the plurality of status indicators are normalized before being input into the HI generating module 242, and after being output by the HI generating module 242, the indicators are also solidified within the 0-1 interval through the normalization process, so as to facilitate the interpretation and visualization of the health indicators.
The main controller 21 may control the wind park 100 accordingly based on the health indicator of the wind park 100 generated by the HI generation module 242. Because the HI generation module 242 further processes the data to generate a more accurate health index of the wind turbine generator system 100, the main controller 21 can more accurately control the wind turbine generator system 100 according to the health index of the wind turbine generator system 100, thereby effectively improving the good monitoring capability of the wind turbine generator system 100.
FIG. 3 illustrates a schematic diagram of the wind turbine generator system 100 in communication with the server 24 according to an embodiment of the present invention. As shown in fig. 3, the CMS hardware 26 on the wind turbine generator set 100 is connected to the main controller 21 through a network cable, so that interaction between the CMS hardware 26 and the main controller 21 is possible. The CMS hardware 26 may be connected to the ring network switch 27 through the main controller 21, the ring network switch 27 is connected to the fan ring network 28, and the CI generating module 241 in the server 24 is connected to the fan ring network 28 through the ring network switch 29, so that a communication connection between the CMS hardware 26 and the CI generating module 241 may be established. The main controller 21 is connected to the fan ring network 28 through the ring network switch 27, and the HI generation module 242 is connected to the fan ring network 28 through the ring network switch 29, so that communication connection between the main controller 21 and the HI generation module 242 can be established.
As shown in fig. 2 and 3, in some embodiments, the server 24 further includes a CMS database 244, and the status indicator of the wind turbine generator set 100 generated by the CI generating module 241 and the health indicator of the wind turbine generator set 100 generated by the HI generating module 242 may be stored in the CMS database 244.
In some embodiments, the HI generation module 242 may further generate a corresponding alarm policy based on the health indicator of the wind turbine generator set 100, and store the corresponding alarm policy in the CMS database 244. The alarm strategy generated by the HI generation module 242 may be written into the main controller 21, and the main controller 21 may perform corresponding control on the wind turbine generator system 100 according to the alarm strategy generated by the HI generation module 242.
The health indicator of the wind park 100 may be, for example, a number in the range of 0-1. In one embodiment, the HI generation module 242 generating the corresponding alarm policy based on the health indicator of the wind turbine generator set 100 may include: when the health indicator of the wind park 100 is greater than a first alarm threshold, e.g. 0.5, a first alarm record, e.g. a yellow alarm line, is generated.
In another embodiment, the HI generation module 242 generating the corresponding alarm policy based on the health indicator of the wind turbine generator set 100 may further include: when the health index of the wind turbine generator system 100 is greater than a second alarm threshold, which may be, for example, 0.7, a second alarm record different from the first alarm record is generated, and the second alarm threshold is greater than the first alarm threshold, and the second alarm record may be set to, for example, a red alarm line, so as to generate an alarm more urgent than the first alarm record.
Since the shutdown of the wind turbine generator system 100 is a serious issue, in order to strictly control the shutdown of the wind turbine generator system 100, the shutdown code may be generated after the HI generation module 242 generates a predetermined number of alarm records, and at this time, the main controller 21 may control the wind turbine generator system 100 to be shutdown according to the shutdown code.
The vibration monitoring system 2 of the embodiment of the present invention further includes an SCADA (Supervisory Control And Data Acquisition) system 25. The SCADA system 25 is in communication connection with the CMS database 244, and data stored in the CMS database 244 can be displayed on an interface of the SCADA system 25, so that operation and maintenance personnel of a wind farm can view the data at any time.
The embodiment of the invention also provides a wind power generation system. The wind power generation system comprises a wind power generation unit 100 and a vibration monitoring system 2 for the wind power generation unit 100 as described in the various embodiments above.
According to the wind power generation system provided by the embodiment of the invention, the HI generation module 242 is used for generating more accurate health indexes of the wind power generation unit 100 and creating a higher-dimensional alarm strategy, so that the wind power generation unit 100 can be more effectively monitored, the accuracy of judging the running condition of the wind power generation unit 100 is improved, and the misjudgment rate of the wind power generation unit 100 is reduced.
The embodiment of the invention also provides a wind power plant 300. FIG. 4 discloses a schematic diagram of a wind farm 300 according to an embodiment of the invention. As shown in fig. 4, a wind farm 300 according to an embodiment of the present invention includes a plurality of wind turbine generators 100 and a vibration monitoring system 2 for the wind turbine generators 100. The vibration monitoring system 2 includes a main controller 21 located on each wind turbine generator set 100, CMS hardware 26 installed on each wind turbine generator set 100, and a server 24 communicatively connected to each wind turbine generator set 100. CMS hardware 26 includes vibration sensors 22 and collectors 23 located on each wind turbine generator set 100.
The collector 23 on each wind generating set 100 is respectively connected with the vibration sensor 22 thereof and is in communication connection with the main controller 21 thereof, and the collector 23 acquires the vibration data of each wind generating set 100 through the vibration sensor 22 and acquires the main control power data of each wind generating set 100 from the main controller 21.
The server 24 includes a CI generating module 241 and an HI generating module 242. The CI generating module 241 in the server 24 is in communication connection with the collector 23 of each wind turbine generator set 100, and the CI generating module 241 may generate the status index of each wind turbine generator set 100 with the power tag based on the vibration data and the main control power data of each wind turbine generator set 100. The HI generating module 242 in the server 24 is communicatively connected to the main controller 21 of each wind turbine generator set 100, and the HI generating module 242 may generate the health index of each wind turbine generator set 100 based on the status index of each wind turbine generator set 100 with the power tag.
The main controller 21 of each wind turbine generator set 100 may perform corresponding control on each wind turbine generator set 100 based on the health index of each wind turbine generator set 100.
In some embodiments, server 24 also includes a CMS database 244. The status indicators of the wind park 100 generated by the CI generation module 241 and the health indicators of the wind park 100 generated by the HI generation module 242 may be stored in the CMS database 244.
The wind farm 300 of the present embodiment further comprises a SCADA system 25. SCADA system 25 is communicatively coupled to CMS database 244, and the data stored in CMS database 244 may be displayed on an interface of SCADA system 25 for review by wind farm maintenance personnel.
The wind farm 300 according to the embodiment of the present invention has similar beneficial technical effects to the wind power generation system described above, and therefore, the details are not repeated herein.
The vibration monitoring system for the wind generating set, the wind generating system and the wind power plant provided by the embodiment of the invention are described in detail above. The vibration monitoring system for a wind generating set, the wind generating system and the wind farm according to the embodiments of the present invention are described herein by using specific examples, and the above description of the embodiments is only for helping understanding the core idea of the present invention and is not intended to limit the present invention. It should be noted that, for those skilled in the art, various improvements and modifications can be made without departing from the spirit and principle of the present invention, and these improvements and modifications should fall within the scope of the appended claims.
Claims (17)
1. A vibration monitoring system for a wind generating set is characterized in that: it includes:
the main controller is positioned on the wind generating set;
the vibration sensor is arranged on the wind generating set;
the collector is positioned on the wind generating set, is connected with the vibration sensor and is in communication connection with the main controller, and acquires vibration data of the wind generating set through the vibration sensor and acquires main control power data of the wind generating set from the main controller; and
a server, comprising:
the state index generation module is in communication connection with the collector and generates a state index with a power tag of the wind generating set based on vibration data and main control power data of the wind generating set; and
the health index generation module is in communication connection with the main controller and generates a health index of the wind generating set based on a state index of the wind generating set with a power label,
wherein the main controller controls the wind generating set correspondingly based on the health index of the wind generating set.
2. The vibration monitoring system of claim 1 wherein: the vibration sensor includes an acceleration sensor and a rotation speed sensor.
3. The vibration monitoring system of claim 1 wherein: and the collector collects the vibration data and the master control power data of the wind generating set at intervals of preset time.
4. The vibration monitoring system of claim 1 wherein: the state index generation module is used for generating the state index of the wind generating set with the power label based on the vibration data and the master control power data of the wind generating set, and comprises the following steps:
the state index generating module generates a state index of the wind generating set based on vibration data of the wind generating set; and
and grouping the state indexes of the wind generating sets based on the power section where the master control power data is located.
5. The vibration monitoring system of claim 1 wherein: the health index generation module calls the state index with the power label of the wind generating set in the state index generation module through Python.
6. The vibration monitoring system of claim 5 wherein: the health index generation module generates the health index of the wind generating set through a prestored Python custom-made algorithm based on the state index of the wind generating set with the power tag.
7. The vibration monitoring system of claim 1 wherein: the server further comprises a CMS database, and the state indexes of the wind generating sets and the health indexes of the wind generating sets are stored in the CMS database.
8. The vibration monitoring system of claim 7 wherein: the health index generation module is also used for generating a corresponding alarm strategy based on the health index of the wind generating set and storing the alarm strategy in the CMS database.
9. The vibration monitoring system of claim 8 wherein: the health index generation module generates a corresponding alarm strategy based on the health index of the wind generating set, and the alarm strategy comprises the following steps:
and when the health index of the wind generating set is larger than a first alarm threshold value, generating a first alarm record.
10. The vibration monitoring system of claim 9 wherein: the generating of the health index of the wind generating set by the health index generating module further comprises:
and when the health index of the wind generating set is larger than a second alarm threshold value, generating a second alarm record different from the first alarm record, wherein the second alarm threshold value is larger than the first alarm threshold value.
11. The vibration monitoring system of claim 7 wherein: further comprising:
and the SCADA system is in communication connection with the CMS database, and the data stored in the CMS database can be displayed on an interface of the SCADA system for operation and maintenance personnel to view.
12. The vibration monitoring system of claim 1 wherein: the state index of the wind generating set comprises at least one of vibration time domain data, vibration frequency domain data, vibration envelope spectrum data and vibration characteristic values of the wind generating set.
13. The vibration monitoring system of claim 1 wherein: the health index of the wind generating set comprises at least one of a health index of a bearing and a health index of a gearbox.
14. A wind power generation system characterized by: comprising a wind park and a vibration monitoring system for a wind park according to any of claims 1 to 13.
15. A wind power plant comprises a plurality of wind generating sets and is characterized in that: it still includes the vibration monitored control system who is used for wind generating set, the vibration monitored control system includes:
the main controller is positioned on each wind generating set;
the vibration sensor is arranged on each wind generating set;
the collector on each wind generating set is respectively connected with the vibration sensor of the wind generating set and is in communication connection with the main controller of the wind generating set, and the collector acquires the vibration data of each wind generating set through the vibration sensor and acquires the main control power data of each wind generating set from the main controller; and
a server, comprising:
the state index generation module is in communication connection with the collector of each wind generating set and is used for generating state indexes with power labels of each wind generating set based on vibration data and master control power data of each wind generating set; and
the health index generation module is in communication connection with the main controller of each wind generating set, generates the health index of each wind generating set based on the state index of each wind generating set with the power tag,
and the main controller of each wind generating set correspondingly controls each wind generating set based on the health index of each wind generating set.
16. A wind park according to claim 15, wherein: the server further comprises a CMS database, and the state indexes of the wind generating sets and the health indexes of the wind generating sets are stored in the CMS database.
17. A wind park according to claim 16, wherein: further comprising:
and the SCADA system is in communication connection with the CMS database, and the data stored in the CMS database can be displayed on an interface of the SCADA system for operation and maintenance personnel to view.
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| CN202010927889.3A CN112177863A (en) | 2020-09-07 | 2020-09-07 | Vibration monitoring system, wind power generation system and wind power plant |
| PCT/CN2021/093782 WO2022048186A1 (en) | 2020-09-07 | 2021-05-14 | Vibration monitoring system, wind power generation system, and wind farm |
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| CN113775481A (en) * | 2021-09-24 | 2021-12-10 | 上海电气风电集团股份有限公司 | CMS vibration protection method and device and computer readable storage medium |
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